ProShares UltraShort 7-10 Year Treasury (PST) Performance

NYSE Arca: PSTTotal returns, calendar years, drawdowns and risk since 2008.

PST total return

Distributions reinvested · as of Oct 23, 2026
YTD
+11.9%
since Dec 31, 2025
1 year
+15.0%
total return
5 years
+10.8%
a year
10 years
+3.3%
a year
Since first price
−4.8%
a year since 2008

PST trailing returns vs SPY, QQQ, AGG

PST trailing returns
PeriodPST total returnPrice onlyS&P 500 (SPY)Nasdaq-100 (QQQ)U.S. bonds (AGG)
1 month−2.1%−2.1%−1.0%−5.0%+0.9%
3 months+3.9%+3.3%+3.2%+1.9%−0.4%
6 months+9.7%+8.4%+7.8%+8.4%−1.5%
YTD+11.9%+10.0%+12.3%+15.1%−1.0%
1 year+15.0%+12.0%+14.4%+15.9%−1.1%
3 years+4.8%+1.6%/yr−5.3%+87.4%+23.3%/yr+101.4%+26.3%/yr+16.6%+5.2%/yr
5 years+66.7%+10.8%/yr+47.1%+79.3%+12.4%/yr+94.0%+14.2%/yr−0.8%−0.2%/yr
10 years+38.6%+3.3%/yr+19.2%+315.9%+15.3%/yr+538.9%+20.4%/yr+14.0%+1.3%/yr
15 years−13.7%−1.0%/yr−25.8%+696.0%+14.8%/yr+1,299.3%+19.2%/yr+32.2%+1.9%/yr
Since inceptionMay 1, 2008−59.3%−4.8%/yr−65.1%———

Total return from adjusted closes (distributions reinvested, before tax). Periods of 3 years or more are also shown annualized. Price only excludes distributions.

Growth of $10,000: PST vs SPY

PSTS&P 500 (SPY)

From May 1, 2008: PST grew to $4,066, SPY to $75,423.

Year-end values with distributions reinvested, no taxes or trading costs. Start: first common trading day of both funds.

PST returns by calendar year

PSTSPY

7 of 17 full years positive. Best 2022 (+38.6%), worst 2011 (−27.9%). 2026 is year to date.

PST annual returns table

PST calendar-year returns
YearPSTLargest dropSPYQQQAGG
2026YTD+11.9%−4.7%+12.3%+15.1%−1.0%
2025−4.4%−11.4%+17.7%+20.8%+7.2%
2024+12.3%−13.9%+24.9%+25.6%+1.3%
2023+3.2%−15.7%+26.2%+54.9%+5.7%
2022+38.6%−14.5%−18.2%−32.6%−13.0%
2021+4.0%−10.0%+28.7%+27.4%−1.8%
2020−18.7%−21.0%+18.3%+48.6%+7.5%
2019−11.0%−18.0%+31.2%+39.0%+8.5%
2018+1.7%−8.5%−4.6%−0.1%+0.1%
2017−4.5%−10.3%+21.7%+32.7%+3.6%
2016−2.9%−15.4%+12.0%+7.1%+2.4%
2015−6.2%−10.6%+1.2%+9.4%+0.5%
2014−18.3%−19.1%+13.5%+19.2%+6.0%
2013+9.8%−9.2%+32.3%+36.6%−2.0%
2012−9.5%−16.2%+16.0%+18.1%+3.8%
2011−27.9%−31.8%+1.9%+3.4%+7.7%
2010−21.5%−29.1%+15.1%+19.9%+6.4%
2009+2.4%−17.6%+26.4%+54.7%+3.0%

Largest drop = deepest fall from a high within that calendar year.

Calendar-year return vs largest drop within the year

Calendar-year returnLargest drop within the year

Most years include a sizable fall at some point even when the year ends higher.

PST largest drawdowns

Now 61.6% below the high
PST largest drawdowns
PeakDeclineBottomRecoveredFallUnderwater
Jun 13, 2008−79.2%Aug 4, 2020not yet12.1 years18.4 years so far

Declines from a closing high (distributions reinvested) of 10% or more. Underwater = time from the peak until the old high was regained.

PST risk statistics

PST risk statistics
Statistic3 years5 years10 yearsSince 2008
Annualized return+4.3%+12.0%+3.9%−4.8%
Volatility (annualized)13.3%15.1%13.2%13.4%
Sharpe ratio0.050.590.18-0.39
Sortino ratio0.081.000.28-0.51
Best month+8.0%+10.1%+10.1%+10.1%
Worst month−7.7%−7.7%−7.9%−14.7%
Best 12 months+17.5%+40.3%+40.3%+40.3%
Worst 12 months−8.6%−8.6%−25.7%−29.3%
Positive months53%60%52%47%
Beta vs S&P 500-0.43-0.51-0.15—
Correlation with S&P 500-0.40-0.53-0.18—

From monthly total returns. Sharpe and Sortino use 1–3 month T-bills (BIL) as the risk-free rate, so they need history from 2007 on.

PST rolling returns

PST rolling returns
Holding periodPeriodsWorstMedianBestPositive
1-year210−29.3%−4.1%+40.3%44%
3-year (a year)186−22.2%−6.6%+19.6%30%
5-year (a year)162−17.1%−4.9%+12.0%28%
10-year (a year)102−11.1%−3.0%+3.9%24%

Every holding period starting at a month-end since 2008. Returns for 3 years and longer are annualized.

PST performance overview

ProShares UltraShort 7-10 Year Treasury (PST) returned +15.0% over the past year and +3.3% a year over ten years, with distributions reinvested. Since its first recorded price in 2008 it has returned −4.8% a year, turning $10,000 into about $4,066. Over the same year S&P 500 (SPY) returned +14.4%.

The deepest decline was −79.2%, from Jun 13, 2008 to Aug 4, 2020; the fund has not yet regained that high. PST finished 7 of its 17 full calendar years with a gain; the best year was 2022 (+38.6%) and the worst 2011 (−27.9%). Volatility has been 13.4% a year.

Related: PST chart, PST dividends. See the PST overview for the latest quote and fund facts.

PST performance FAQ

What is the PST return over the past year?

PST returned +15.0% over the 12 months to October 23, 2026, including reinvested distributions. On price alone it rose 12.0%.

What is the average annual return of PST?

PST has returned +10.8% a year over 5 years, +3.3% a year over 10 years, −4.8% a year since May 1, 2008 (total return, distributions reinvested).

How much would $10,000 invested in PST be worth?

$10,000 invested in PST at its first recorded close on May 1, 2008 would be worth about $4,066 on October 23, 2026 with distributions reinvested.

What was the worst year for PST?

The worst calendar year was 2011, with a total return of −27.9%. The best was 2022 at +38.6%.

What is the biggest drawdown of PST?

The largest peak-to-trough decline was −79.2% between June 13, 2008 and August 4, 2020. It has not yet recovered to that high; it is 61.6% below its peak.

How volatile is PST?

Over the past 3 years PST had an annualized volatility of 13.3% and a Sharpe ratio of 0.05 (excess return over 1–3 month T-bills per unit of risk).